Single-neutron energies outside 136Xe

B. P. Kay, J. P. Schiffer, S. J. Freeman, C. R. Hoffman, B. B. Back, S. I. Baker, S. Bedoor, T. Bloxham, J. A. Clark, C. M. Deibel, A. M. Howard, J. C. Lighthall, S. T. Marley, K. E. Rehm, D. K. Sharp, D. V. Shetty, J. S. Thomas, A. H. Wuosmaa

Research output: Contribution to journalArticlepeer-review


The single-neutron properties of the N=83 nucleus 137Xe have been studied using the 136Xe(d,p) reaction in inverse kinematics at a beam energy of 10 MeV/u. The helical-orbit spectrometer, HELIOS, at Argonne National Laboratory was used to analyze the outgoing protons, achieving an excitation-energy resolution of ∼100 keV. Extraction of absolute cross sections, angular distributions, and spectroscopic factors has led to a more complete understanding of the single-neutron strength in 137Xe. In particular, the centroids of the νh9/2 and νi13/2 strengths appear to evolve through the N=83 isotones in a manner consistent with the action of the tensor force. 
Original languageEnglish
Article number024325
Number of pages6
JournalPhysical Review C - Nuclear Physics
Issue number2
Publication statusPublished - 29 Aug 2011


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